(19)
(11) EP 2 877 682 A2

(12)

(88) Date of publication A3:
16.04.2015

(43) Date of publication:
03.06.2015 Bulletin 2015/23

(21) Application number: 13759374.5

(22) Date of filing: 23.08.2013
(51) International Patent Classification (IPC): 
E21B 34/08(2006.01)
(86) International application number:
PCT/US2013/056464
(87) International publication number:
WO 2014/035830 (06.03.2014 Gazette 2014/10)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 30.08.2012 US 201213599044

(71) Applicant: Halliburton Energy Services, Inc.
Houston, TX 77072 (US)

(72) Inventors:
  • SMITH, Donald
    Wilson, Oklahoma 73463 (US)
  • PACEY, Kendall L.
    Duncan, Oklahoma 73533 (US)

(74) Representative: Hoffmann Eitle 
Patent- und Rechtsanwälte PartmbB Arabellastraße 30
81925 München
81925 München (DE)

   


(54) PRESSURE TESTING VALVE AND METHOD OF USING THE SAME